Created min size for print preview dialog and modified to allow the

components/web_modal/single_web_contents_dialog_manager.h

Index: components/web_modal/single_web_contents_dialog_manager.h
diff --git a/components/web_modal/single_web_contents_dialog_manager.h b/components/web_modal/single_web_contents_dialog_manager.h
index 7d85368409d2ad0b99c909e051ace21401fc52c5..a5d0df9ac9de7909f092b7d894535595f6fdfece 100644
--- a/components/web_modal/single_web_contents_dialog_manager.h
+++ b/components/web_modal/single_web_contents_dialog_manager.h
@@ -29,6 +29,16 @@ class SingleWebContentsDialogManagerDelegate {
   // manager will be deleted before the end of this call.
   virtual void WillClose(gfx::NativeWindow dialog) = 0;
 
+  // Checks if the dialog should have a non clipped display (bounds not
+  // constrained to the bounds of the modal parent) if supported by the platform
+  // (Chrome OS only).
+  virtual bool IsNonClipped(gfx::NativeWindow dialog) const =  0;
+
+  // Indicates to the mangager that the dialog should be displayed in a non
+  // clipped display (bounds not constrained to modal parent) if this is
+  // supported by the platform (Chrome OS only).
+  virtual void AddNonClippedDialog(gfx::NativeWindow dialog) = 0;
+
  private:
   DISALLOW_COPY_AND_ASSIGN(SingleWebContentsDialogManagerDelegate);
 };